发明名称 |
Thermal imager systems. |
摘要 |
<p>A thermal imager system comprises a scanning system 1 for scanning a required scene 2 and an anamorphic optical system 3 for focusing the scanned scene onto a Sprite detector 4, the optical anamorphic system comprises a pair of optical prisms 17, 19 disposed between a collimating element 15 and a focusing element 21, one or both of the prisms 17, 19 being pivotally mounted whereby the anamorphic ratio and hence the focal length of said optical system 3 may be changed. <IMAGE></p> |
申请公布号 |
EP0499421(A1) |
申请公布日期 |
1992.08.19 |
申请号 |
EP19920301066 |
申请日期 |
1992.02.07 |
申请人 |
GEC-MARCONI (HOLDINGS) LIMITED |
发明人 |
SMITH, BRIAN FREDERICK;CUTHBERTSON, GLENN MCPHERSON |
分类号 |
G01J5/48;G02B13/10;G02B17/02;G02B26/10;G02B27/09;G02B27/40;H04N3/09 |
主分类号 |
G01J5/48 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|